Is it Tough Pitch Electrolytic Copper, silver bearing like Alloy 116? Our copper has 25-30 oz. of silver per metric ton for maximum strength and heat resistance. If your manufacturer isn't using silver bearing copper, consider asking for the upgrade.
ICC prides ourselves on using only the best possible materials. Providing quality to our customers is what we bank our reputation on, cutting costs is not an option. We believe quality over lesser price will always win in the long run.